US2723876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute release
Assignee: TECHNICAL SERVICE Inc
•
Filing: 1951-07-21
•
Granted: 1955-11-15
•
Expires: 1971-07-21
Abstract
No abstract record available.
Inventors
- 👤 Roland E Langlois
- 👤 Louis G Blumenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; B64D17/383; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T403/70; Y10T403/7005; Y10T403/7007; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1505318A
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US1845466A
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US2057699A
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US2328988A
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US2270317A
Cited
US2413450A
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US2521516A
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US2543862A
Cited
US2517361A
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US2562459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |